// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/material.dart'; import 'package:flutter_test/flutter_test.dart'; import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart'; void main() { testWidgetsWithLeakTracking('Material3 - Divider control test', (WidgetTester tester) async { await tester.pumpWidget( MaterialApp( theme: ThemeData(useMaterial3: true), home: const Center(child: Divider()), ), ); final RenderBox box = tester.firstRenderObject(find.byType(Divider)); expect(box.size.height, 16.0); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; expect(decoration.border!.bottom.width, 1.0); }); testWidgetsWithLeakTracking('Material2 - Divider control test', (WidgetTester tester) async { await tester.pumpWidget( MaterialApp( theme: ThemeData(useMaterial3: false), home: const Center(child: Divider()), ), ); final RenderBox box = tester.firstRenderObject(find.byType(Divider)); expect(box.size.height, 16.0); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; expect(decoration.border!.bottom.width, 0.0); }); testWidgetsWithLeakTracking('Divider custom thickness', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: Divider(thickness: 5.0)), ), ); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; expect(decoration.border!.bottom.width, 5.0); }); testWidgetsWithLeakTracking('Horizontal divider custom indentation', (WidgetTester tester) async { const double customIndent = 10.0; Rect dividerRect; Rect lineRect; await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: Divider(indent: customIndent)), ), ); // The divider line is drawn with a DecoratedBox with a border dividerRect = tester.getRect(find.byType(Divider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.left, dividerRect.left + customIndent); expect(lineRect.right, dividerRect.right); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: Divider(endIndent: customIndent)), ), ); dividerRect = tester.getRect(find.byType(Divider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.left, dividerRect.left); expect(lineRect.right, dividerRect.right - customIndent); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center( child: Divider( indent: customIndent, endIndent: customIndent, ), ), ), ); dividerRect = tester.getRect(find.byType(Divider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.left, dividerRect.left + customIndent); expect(lineRect.right, dividerRect.right - customIndent); }); testWidgetsWithLeakTracking('Material3 - Vertical Divider Test', (WidgetTester tester) async { await tester.pumpWidget( MaterialApp( theme: ThemeData(useMaterial3: true), home: const Center(child: VerticalDivider()), ), ); final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider)); expect(box.size.width, 16.0); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; final Border border = decoration.border! as Border; expect(border.left.width, 1.0); }); testWidgetsWithLeakTracking('Material2 - Vertical Divider Test', (WidgetTester tester) async { await tester.pumpWidget( MaterialApp( theme: ThemeData(useMaterial3: false), home: const Center(child: VerticalDivider()), ), ); final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider)); expect(box.size.width, 16.0); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; final Border border = decoration.border! as Border; expect(border.left.width, 0.0); }); testWidgetsWithLeakTracking('Divider custom thickness', (WidgetTester tester) async { await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: VerticalDivider(thickness: 5.0)), ), ); final Container container = tester.widget(find.byType(Container)); final BoxDecoration decoration = container.decoration! as BoxDecoration; final Border border = decoration.border! as Border; expect(border.left.width, 5.0); }); testWidgetsWithLeakTracking('Vertical Divider Test 2', (WidgetTester tester) async { await tester.pumpWidget( MaterialApp( theme: ThemeData(useMaterial3: false), home: const Material( child: SizedBox( height: 24.0, child: Row( children: <Widget>[ Text('Hey.'), VerticalDivider(), ], ), ), ), ), ); final RenderBox box = tester.firstRenderObject(find.byType(VerticalDivider)); final RenderBox containerBox = tester.firstRenderObject(find.byType(Container).last); expect(box.size.width, 16.0); expect(containerBox.size.height, 600.0); expect(find.byType(VerticalDivider), paints..path(strokeWidth: 0.0)); }); testWidgetsWithLeakTracking('Vertical divider custom indentation', (WidgetTester tester) async { const double customIndent = 10.0; Rect dividerRect; Rect lineRect; await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: VerticalDivider(indent: customIndent)), ), ); // The divider line is drawn with a DecoratedBox with a border dividerRect = tester.getRect(find.byType(VerticalDivider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.top, dividerRect.top + customIndent); expect(lineRect.bottom, dividerRect.bottom); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center(child: VerticalDivider(endIndent: customIndent)), ), ); dividerRect = tester.getRect(find.byType(VerticalDivider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.top, dividerRect.top); expect(lineRect.bottom, dividerRect.bottom - customIndent); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center( child: VerticalDivider( indent: customIndent, endIndent: customIndent, ), ), ), ); dividerRect = tester.getRect(find.byType(VerticalDivider)); lineRect = tester.getRect(find.byType(DecoratedBox)); expect(lineRect.top, dividerRect.top + customIndent); expect(lineRect.bottom, dividerRect.bottom - customIndent); }); // Regression test for https://github.com/flutter/flutter/issues/39533 testWidgetsWithLeakTracking('createBorderSide does not throw exception with null context', (WidgetTester tester) async { // Passing a null context used to throw an exception but no longer does. expect(() => Divider.createBorderSide(null), isNot(throwsAssertionError)); expect(() => Divider.createBorderSide(null), isNot(throwsNoSuchMethodError)); }); }